observer pattern question #1 (reference to subject)

[Alan Isaac]

Ville M. Vainio wrote:

> in case of stocks, you are probably monitoring several 

> stock objects, so the stock should probably pass itself to 

> the observer



OK.  This is related to my question #2 (in a separate 

thread), where I'd also appreciate your comments.





> analogous to a typical UI scenario where you have several 

> widgets forwarding events to one big observer - and they 

> *do* provide the event source and event type. 



That is a helpful comparison.





> All in all, though, the right solution should be obvious 

> from the problem at hand. 



For CS types, maybe.  The rest of us are just trying to get 

things done without as much background and context.



Thanks,

Alan